'One, two, buckle my shoe' is a traditional English counting rhyme that has appeared in nursery collections since the early 1800s, which makes it familiar to almost everyone who hears it. The stretched-out meme version turns that familiarity into a joke: a goofy vocal drags the final word into 'shooooooeeee' over several seconds, and short-form creators pair it with sneaker unboxings, lacing close-ups and fit checks, a usage hinted at by the clip's Nike kicks tagging. The absurd elongation is what keeps it in rotation on soundboards and meme edits.